// Copyright (C) Kumo inc. and its affiliates.
// Author: Jeff.li lijippy@163.com
// All rights reserved.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published
// by the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.
//
#pragma once

#include <pollux/exec/operator.h>

namespace kumo::pollux::core {
    struct PlanFragment;
} // namespace kumo::pollux::core

namespace kumo::pollux::exec {
    class LocalPlanner {
    public:
        static void plan(
            const core::PlanFragment &planFragment,
            ConsumerSupplier consumerSupplier,
            std::vector<std::unique_ptr<DriverFactory> > *driverFactories,
            const core::QueryConfig &queryConfig,
            uint32_t maxDrivers);

        // Determine which pipelines should run Grouped Execution.
        static void determineGroupedExecutionPipelines(
            const core::PlanFragment &planFragment,
            std::vector<std::unique_ptr<DriverFactory> > &driverFactories);

        // Detect joins running in grouped execution mode having sources running in
        // ungrouped execution mode. In such case the join bridge would be between
        // grouped execution and ungrouped execution and needs special care to be
        // detected by both pipelines.
        static void markMixedJoinBridges(
            std::vector<std::unique_ptr<DriverFactory> > &driverFactories);
    };
} // namespace kumo::pollux::exec
